If you are running either the Kaspersky Anti-Virus (CGPKAV) or Anti-Spam (CGPKAS) plugin, please be sure have a look at the following article that details actions that may need to be taken to ensure your plugin(s) continue to function properly:
https://support.communigate.com/en/kb/articles/kaspersky-plugin-s-expired-expiring-internal-key
If you have any questions/concerns, please open a support ticket here:
https://contact.communigate.com/en/new-ticket
Thank you.